Read detailed description :

Compact and floriferous : from July to September, numerous pure white flowers appear, bunched at the end of erect, short stems. The delicate olive-green leaves form a low and compact tuft, and stay on the plant in winter. Perfect in the front of flowerbeds, in rock gardens and in containers on terraces, etc.. Plant in a well drained soil, even dry and chalky, preferably with added potting soil, and a luminous exposure.